Customize slider thumb in Angular Range slider component

28 Sep 20234 minutes to read

Slider appearance can be customized through CSS. By overriding the slider CSS classes, you can customize the thumb. By default, slider has unique class e-handle for slider thumb. You can override the following class as per your requirement. Here, in the sample, the slider thumb has been customized to square, circle, oval shapes, and background image has also been customized.

.e-control.e-slider .e-handle {
    background-image: url('https://ej2.syncfusion.com/demos/src/slider/images/thumb.png');
    background-color: transparent;
    height: 25px;
    width: 25px;
}
/* square slider */
.square_slider.e-control.e-slider .e-handle {
    border-radius: 0%;
    background-color: #f9920b;
    border: 0;
}
/* circle slider */
.circle_slider.e-control.e-slider .e-handle {
    border-radius: 50%;
    background-color: #f9920b;
    border: 0;
}
/* oval slider */
.oval_slider.e-control.e-slider .e-handle {
    height: 25px;
    width: 8px;
    top: 3px;
    border-radius: 15px;
    background-color: #f9920b;
}

app.component.ts

import { Component, ViewEncapsulation, ViewChild } from '@angular/core';
import { SliderComponent } from '@syncfusion/ej2-angular-inputs';

@Component({
    selector: 'my-app',
    template: `
    <div class="slider_container">
            <div class="labelText slider-userselect">Square</div>
            <ejs-slider id='square_slider' [value]='value' [min]='min' [max]='max'></ejs-slider>
        </div>
        <div class="slider_container">
            <div class="labelText slider-userselect">Circle</div>
            <ejs-slider id='circle_slider' [value]='value' [min]='min' [max]='max'></ejs-slider>
        </div>
        <div class="slider_container">
            <div class="labelText slider-userselect">Oval</div>
            <ejs-slider id='oval_slider' [value]='value' [min]='min' [max]='max'></ejs-slider>
        </div>
        <div class="slider_container">
            <div class="labelText slider-userselect">Custom image</div>
            <ejs-slider id='image_slider' [value]='value' [min]='min' [max]='max' [ticks]='ticks'></ejs-slider>
        </div>`,
    styleUrls : ["./app.component.css"],
    encapsulation: ViewEncapsulation.None
})

export class AppComponent {
    public value: number = 30;
    public min: number = 0;
    public max: number = 100;
    public ticks: Object = {
        placement: 'After'
    };
}

app.module.ts

import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { AppComponent } from './app.component';
import { SliderModule } from '@syncfusion/ej2-angular-inputs';
/**
 * Module
 */
@NgModule({
    imports: [
        BrowserModule,
        SliderModule
    ],
    declarations: [AppComponent],
    bootstrap: [AppComponent]
})
export class AppModule { }

main.ts

import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { enableProdMode } from '@angular/core';
import { AppModule } from './app.module';

import 'zone.js';
enableProdMode();
platformBrowserDynamic().bootstrapModule(AppModule);